Re: [Boost-bugs] [Boost C++ Libraries] #6446: Mulicast receiver does not work

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #6446: Mulicast receiver does not work
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-05-29 01:22:13

#6446: Mulicast receiver does not work
  Reporter: dieter.mayer@… | Owner: chris_kohlhoff
      Type: Bugs | Status: closed
 Milestone: To Be Determined | Component: asio
   Version: Boost 1.47.0 | Severity: Problem
Resolution: worksforme | Keywords: Multicast
Changes (by chris_kohlhoff):

  * status: new => closed
  * resolution: => worksforme
  * severity: Showstopper => Problem


 Most likely you have multiple network cards and the default route does not
 match the interface you need to use for the multicast group. You need to

 - get your system administrator to add a route for the multicast group
 that uses the correct device; or

 - change your code to use the two-argument join_group constructor that
 lets you specify the interface.

 Most likely the Java application does the latter. As multicast group
 subscriptions are system-wide, this makes your application work too.
 However, the first option is IMHO the preferred approach.

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